238079731985 has 16 divisors (see below), whose sum is σ = 298396258560. Its totient is φ = 182012233920.

The previous prime is 238079731963. The next prime is 238079732021. The reversal of 238079731985 is 589137970832.

238079731985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238079731985 - 2²⁸ = 237811296529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845381 + ... + 1091250.

It is an arithmetic number, because the mean of its divisors is an integer number (18649766160).

Almost surely, 2^238079731985 is an apocalyptic number.

It is an amenable number.

238079731985 is a deficient number, since it is larger than the sum of its proper divisors (60316526575).

238079731985 is a wasteful number, since it uses less digits than its factorization.

238079731985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937728.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 238079731985 in words is "two hundred thirty-eight billion, seventy-nine million, seven hundred thirty-one thousand, nine hundred eighty-five".